Ps3 - Fat Power Supply Pinout
He flipped the switch. Nothing. Then he saw it—a faint, high-pitched whine from the transformer. The whine of death . The PWM controller was trying to start but hitting a short.
First, he tested the PSU on its own. He plugged the AC cord into the wall (carefully—he knew the primary capacitors could hold a lethal 380V charge). He probed pin 5 (5VSB). Nothing. Pin 7 (PS_ON) was supposed to be a high signal (3.3V) when off, and ground when on. It read 0V. ps3 fat power supply pinout
Leo desoldered the bulging cap—a cheap 105°C unit from a Chinese factory. He replaced it with a Japanese 330µF, 16V low-ESR capacitor he’d salvaged from an old computer motherboard. It was a tight fit, but it worked. He flipped the switch
The fan whirred to life. The green light shone. The Sony logo appeared on his old plasma TV. The whine of death
The dust on the workbench was the first sign of neglect. Leo hadn’t touched his old CECHA01 PlayStation 3 in nearly a decade. The "fat" model—chrome trim, card readers, the whole retro behemoth—sat like a black monolith, its once-glossy finish now a spiderweb of fine scratches.